<!-- @author zhengjie -->
<template>
	<div class="icon-body">
		<el-input v-model="name" class="icon-search" clearable placeholder="请输入图标名称" @clear="filterIcons" @input="filterIcons">
			<i slot="suffix" class="el-icon-search el-input__icon" />
		</el-input>
		<div class="icon-list">
			<div class="list-container">
				<div v-for="(item, index) in iconList" class="icon-item-wrapper" :key="index" @click="selectedIcon(item)">
					<div :class="['icon-item', { active: activeIcon === item }]">
						<svg-icon :icon-class="item" class-name="icon" style="height: 25px; width: 16px" />
						<span>{{ item }}</span>
					</div>
				</div>
			</div>
		</div>
	</div>
</template>

<script>
import icons from './requireIcons';
export default {
	name: 'IconSelect',
	props: {
		activeIcon: {
			type: String,
		},
	},
	data() {
		return {
			name: '',
			iconList: icons,
		};
	},
	methods: {
		filterIcons() {
			this.iconList = icons;
			if (this.name) {
				this.iconList = this.iconList.filter((item) => item.includes(this.name));
			}
		},
		selectedIcon(name) {
			this.$emit('selected', name);
			document.body.click();
		},
		reset() {
			this.name = '';
			this.iconList = icons;
		},
	},
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.icon-body {
	width: 100%;
	padding: 10px;
	.icon-search {
		position: relative;
		margin-bottom: 5px;
	}
	.icon-list {
		height: 200px;
		overflow: auto;
		.list-container {
			display: flex;
			flex-wrap: wrap;
			.icon-item-wrapper {
				width: calc(100% / 3);
				height: 25px;
				line-height: 25px;
				cursor: pointer;
				display: flex;
				.icon-item {
					display: flex;
					max-width: 100%;
					height: 100%;
					padding: 0 5px;
					&:hover {
						background: #ececec;
						border-radius: 5px;
					}
					.icon {
						flex-shrink: 0;
					}
					span {
						display: inline-block;
						vertical-align: -0.15em;
						fill: currentColor;
						padding-left: 2px;
						overflow: hidden;
						text-overflow: ellipsis;
						white-space: nowrap;
					}
				}
				.icon-item.active {
					background: #ececec;
					border-radius: 5px;
				}
			}
		}
	}
}
</style>
